/* 顶部导航栏 */

.mainnav {
    width: 100%;
    height: 70px;
    position: fixed;
    background-color: rgba(0, 0, 0, .1);
}

.main_box .col-md-1 {
    padding: 15px 0 15px 25px;
}

.main_box .col-md-2 button {
    margin: 20px 0;
    padding: 6px;
    border: 1px solid #ffffff;
    color: #ffffff;
    background-color: rgba(0, 0, 0, .1);
}

.main_box .col-md-9 ul {
    display: flex;
    justify-content: space-around;
}

.main_box .col-md-9 ul li {
    padding: 30px 20px 16px 20px;
}

.main_box .col-md-9 ul li:hover {
    border-bottom: 4px solid #ffffff;
}

.main_box .col-md-9 ul li a {
    text-decoration: none;
    color: #fff;
}


/* 头部 */

.header {
    background: url(../images/softwareimg/top_banner6.png) no-repeat;
    background-size: 100% 100%;
    padding: 111px 0;
}

.hader {
    text-align: center;
    color: #ffffff;
}

.hader h2 {
    font-size: 42px;
}


/* 当前位置 */

li {
    list-style: none;
}

.content {
    overflow: hidden;
}

.content_box ul li a {
    color: #666666;
    text-decoration: none;
}

.content_box ul {
    margin-top: 15px;
    display: flex;
}

.content_box ul li .content_box_chanpin {
    color: #333333;
}


/* 软件下载内容 */

.top h2 {
    margin-top: 100px;
    font-size: 54px;
}

.top h4 {
    margin-top: 18px;
    color: #a2a2a3;
    font-size: 30px;
}

.top,
.bottom {
    text-align: center;
}

.bottom button {
    margin: 20px 0;
    padding: 14px 32px;
    color: #468eff;
    background-color: #ffffff;
    border: 1px solid #468eff;
    border-radius: 8px;
}

.bottom a {
    color: rgb(166, 166, 166);
}

.bottom {
    margin-top: 50px;
}

.software {
    padding-bottom: 250px;
    background: url(../images/softwareimg/5.png) no-repeat right;
}

.software_right {
    text-align: center;
}

.software_right img {
    margin-top: 120px;
}

@media(max-width:1200px) {
    .bottom img {
        display: none;
    }
    .bottom_content {
        display: flex;
        justify-content: center;
    }
    .bottom_content button {
        font-size: 18px;
        font-weight: 700;
        padding: 15px 70px;
    }
    .bottom_content p {
        padding-top: 35px;
        padding-left: 20px;
    }
}


/* 底部 */

.footer {
    padding-bottom: 30px;
    background-color: #22263d;
}

.footer_txt ul {
    padding-left: 180px;
    display: flex;
}

.footer_txt ul li a {
    color: #bbbbbb;
    text-decoration: none;
}

.footer_txt ul li {
    color: #bbbbbb;
    padding: 40px 10px;
}

.footer_cnt {
    display: flex;
}

.footer_cnt div:nth-child(1) {
    padding-left: 180px;
    padding-top: 20px;
}

.footer_cnt div:nth-child(2) {
    padding-top: 30px;
}

.footer_cnt div:nth-child(2) ul li a {
    text-decoration: none;
    color: #bbbbbb;
}

.footer_cnt div:nth-child(3) {
    height: 80px;
    width: 1px;
    margin: 0 80px;
    background-color: #444444;
}

.footer_cnt div:nth-child(4) {
    text-align: center;
    color: #bbbbbb;
}

.footer_cnt ul {
    display: flex;
}

.footer_cnt ul li {
    padding: 0 20px;
}

.footer_bottom {
    display: flex;
    justify-content: center;
    color: #bbbbbb;
}


/* 底部显示和隐藏 */

@media(max-width:768px) {
    .footer {
        display: none;
    }
}

@media(min-width:768px) {
    .footer {
        display: none;
    }
}

@media(min-width:1200px) {
    .footer {
        display: block;
    }
}